GB/T 39389-2020
ActivePlastic composite hose for gas welding，cutting and allied processes
气体焊接、切割和类似作业用复合塑料软管
Application Summary AI generated
This standard specifies the classification, requirements, test methods, inspection rules, and marking of plastic composite hoses used for conveying fuel gases and oxygen in gas welding, cutting, and similar thermal processes. It is applied in industrial settings such as metal fabrication, construction, and repair workshops where flexible hoses connect gas cylinders to torches or cutting equipment. The standard ensures hose safety, durability, and performance under typical working pressures and environmental conditions.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.